Advertisers demanding more than "click-through" metrics: Nielsen's 2010 trends 24 December 2009 Pluribus acquires eight brands from Nielsen 12 December 2009 Nielsen appoints Sandeep Ranade as director, consumer research 15 September 2009 Online bookings become popular with Indian travellers: Nielsen 31 August 2009 Nielsen launches specialist business consulting services group 17 July 2009 TAM Media to double sample size 01 July 2005 ACNielsen sold for $2.3 billion 18 December 2000